Access Control Keypad Access Type Keypad Interface Stand Alone Case Material Stainless Steel Finish Satin Stainless Series DK-16 Height 4 1/2 in Width 2 3/4 in Depth 5/32 in Number of Keys 12 Timed Entry Allowance 1 to 99 sec Power Required 12 to 24V AC/DC Operating Temp Range 32 Degrees to 110 Degrees F Event Audit Trail No Max User Codes 59 Standards FCC Part 15 and Industry Canada Compliant Weather Resistant No For Use With Magnetic and Electrically Door Locks